CN210685789U - Fire-proof door - Google Patents

Abstract

The utility model discloses a fire door, including preceding door plant and back door plant, parallel arrangement between preceding door plant and the back door plant, the fixed frame of a welded fastening frame type structure between preceding door plant and the back door plant, the lateral surface of fixed frame and preceding, form the recess of a frame type structure between the back door plant, install the gasbag of a frame type structure in the recess, the center department welding inflating valve of preceding door plant, inflating valve one end extends to before inside door plant and the back door plant, the other end sets up in the external world, inflating valve is located one of inside and installs a pipeline, be equipped with the more than one trachea on the outer wall of pipeline, be equipped with the more than one through-hole on the fixed frame, the medial surface of gasbag just all is equipped with a hose to through-hole department, hose one end is installed respectively on the trachea. The utility model discloses simple structure can effectually wrap the limit that prevents fire door, has avoided the human body to strike the limit and the injured that causes, and can effectually prevent the gap seal between fire door and the door frame through the gasbag, has avoided the entering of flue gas.

Description

Fire-proof door

Technical Field

The utility model relates to a prevent fire door field, concretely relates to prevent fire door.

Background

The fire door is an important component in fire-fighting equipment and is an important part in social fire prevention, a door closer of the fire door or a door closing device (except for special parts such as a pipeline well door and the like) which can automatically close a door leaf of a normally open fire door when a fire occurs is arranged on the fire door, the fire door refers to a door which can meet the requirements of fire resistance stability, integrity and heat insulation within a certain time, and is a fire partition which is arranged between fire partitions, evacuation staircases, vertical shafts and the like and has certain fire resistance.

Present prevent that fire door and door frame between all have certain clearance, the smog accessible that the conflagration produced prevents that fire door and door frame between the clearance is filled indoor, to indoor artificial danger, the smoke and dust inhales can cause certain harm to the health in the body, and prevents that fire door's limit does not all have protective structure now, and the people is at the in-process of business turn over, strikes the limit of preventing fire door easily, causes people's injury.

Disclosure of Invention

The utility model aims to solve the technical problem that a fire door is provided to solve the problem of proposing in the above-mentioned background art.

The utility model discloses a realize through following technical scheme: a fireproof door comprises a front door plate and a rear door plate, wherein the front door plate and the rear door plate are arranged in parallel, a fixing frame of a frame structure is fixedly welded between the front door plate and the rear door plate, a groove of the frame structure is formed between the outer side surface of the fixing frame and the front door plate and the rear door plate, an air bag of the frame structure is arranged in the groove, the cross section of the air bag is of a convex structure, one end, reduced in the inner side of the air bag, is inserted into the groove and is fixedly adhered with the inner wall surface of the groove, one end, expanded in the outer side of the air bag, is arranged in the outside, the edges of the front door plate and the rear door plate are both covered by one end, expanded in the outer side of the air bag, is fixedly adhered with the edges of the front door plate and the rear door plate, an inflating valve is welded, the outer wall surface of the pipeline is provided with more than one air pipe, the fixing frame is provided with more than one through hole, the inner side surface of the air bag is provided with a hose opposite to the through hole, and one end of the hose is respectively arranged on the air pipes.

As the preferred technical scheme, one end of the valve which is positioned outside is sleeved with a cover, the cover is in threaded connection with the valve, and the outer wall surface of the cover is wrapped with a rubber layer.

As the preferred technical scheme, the middle of the right side surface of the fixing frame is provided with an inward concave part for installing a lockset, the right side surface of the air bag is provided with an opening opposite to the inward concave part, and the opening is communicated with the inward concave part and is not communicated with the inside of the air bag.

Preferably, the air bag is made of fireproof rubber materials.

The utility model has the advantages that: the utility model discloses simple structure can effectually wrap the limit that will prevent fire door, has avoided the human body to strike the limit and the injured that causes, and can effectually prevent the gap seal between fire door and the door frame through the gasbag, has avoided the entering of flue gas, can increase the adaptability according to the inflation degree of the big or small adjustment gasbag in gap simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partial cross-sectional view taken at a-a in fig. 1.

Detailed Description

As shown in figures 1 and 2, a fireproof door comprises a front door panel 1 and a rear door panel 2, wherein the front door panel 1 and the rear door panel 2 are arranged in parallel, a fixed frame 3 with a frame-shaped structure is welded and fixed between the front door panel 1 and the rear door panel 2, a groove with a frame-shaped structure is formed between the outer side surface of the fixed frame 3 and the front door panel and the rear door panel, an air bag 4 with a frame-shaped structure is arranged in the groove, the cross section of the air bag 4 is arranged in a convex structure, the reduced end of the inner side of the air bag 4 is inserted into the groove and is fixedly adhered with the inner wall surface of the groove, the enlarged end of the outer side of the air bag 4 is arranged outside, the edges of the front door panel 1 and the rear door panel 2 are both covered by the enlarged end of the outer side of the air bag 4, the enlarged end of the outer side of the air bag 4 is fixedly adhered with the edges of the front door panel 1 and the, the other end sets up in the external world, and inflating valve 12 is located one of inside and installs a pipeline 10, is equipped with more than one trachea 11 on the outer wall of pipeline 10, is equipped with more than one through-hole 5 on the fixed frame 3, and the medial surface of gasbag 4 is just all being equipped with a hose 6 to through-hole 5 department, and 6 one end of hose are installed respectively on trachea 11, and the glue that uses is sealed for the fire prevention.

In this embodiment, the cover is equipped with a lid 9 on the one end that inflating valve 12 is located the external world, and threaded connection between lid 9 and inflating valve 12 wraps up a rubber layer on the outer wall of lid, has increased the flexibility through the rubber layer, has avoided striking the lid.

In this embodiment, the centre department of fixed frame 3 right flank is equipped with an interior concave part 7 that is used for installing the tool to lock, and the right flank of gasbag 4 is just being equipped with an opening 8 to interior concave part 7 department, and opening 8 communicates with each other with interior concave part 7, and is interior obstructed with gasbag 4, and locking installation is in interior concave part, and the tapered end of tool to lock can pass in the opening inserts the lock seat of door frame.

In this embodiment, the airbag 4 is made of a fireproof rubber material, thereby preventing the airbag from catching fire.

Can effectually wrap through the limit that the gasbag will prevent fire door, avoided the human body to strike the limit and the injury that causes, wherein, after the installation is accomplished, the accessible prevents the inflation degree of gap adjustment gasbag between fire door and the door frame, during the adjustment, prepare an inflater, and take off the lid from the inflating valve, after the completion, the inflater is connected with the inflating valve, the gas that the inflater produced can be along the inflating valve, the pipeline, trachea and hose get into in the gasbag, make the gasbag inflation, until the lateral surface that makes the gasbag offsets with the internal face of door frame, when the gap between door frame and the fire door is less, gas through the inflating valve with gasbag inside is emitted, make the gasbag flatten, from not influencing the closing of preventing fire door.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (4)

1. A fire door, its characterized in that: the air bag type air bag door comprises a front door plate and a rear door plate, wherein the front door plate and the rear door plate are arranged in parallel, a fixing frame with a frame structure is fixedly welded between the front door plate and the rear door plate, a groove with the frame structure is formed between the outer side surface of the fixing frame and the front door plate and between the outer side surface of the fixing frame and the rear door plate, an air bag with the frame structure is arranged in the groove, the cross section of the air bag is in a convex structure, one end, with the reduced inner side, of the air bag is inserted into the groove and is fixedly adhered with the inner wall surface of the groove, one end, with the expanded outer side, of the air bag is arranged outside, the edges of the front door plate and the rear door plate are both covered by one end, with the expanded outer side, of the air bag is fixedly adhered with the edges of the front door plate and the rear door plate, an inflating valve is welded at the center of the front door, the fixing frame is provided with more than one through hole, the inner side surface of the air bag is provided with a hose opposite to the through hole, and one end of the hose is respectively arranged on the air pipe.

2. A fire rated door as claimed in claim 1, further comprising: the valve is characterized in that one end of the valve located outside is sleeved with a cover, the cover is in threaded connection with the valve, and the outer wall surface of the cover is wrapped with a rubber layer.

3. A fire rated door as claimed in claim 1, further comprising: an inner concave part for installing a lockset is arranged in the middle of the right side surface of the fixing frame, an opening is arranged on the right side surface of the air bag opposite to the inner concave part, and the opening is communicated with the inner concave part and is not communicated with the inside of the air bag.

4. A fire rated door as claimed in claim 1, further comprising: the air bag is made of fireproof rubber materials.

Images